/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.engine.impl.bpmn.parser.handler;

import com.je.bpm.core.model.*;
import com.je.bpm.core.model.event.StartEvent;
import com.je.bpm.core.model.message.Message;
import com.je.bpm.core.model.process.EventSubProcess;
import com.je.bpm.engine.impl.bpmn.parser.BpmnParse;
import com.je.bpm.engine.impl.util.CollectionUtil;


public class StartEventParseHandler extends AbstractActivityBpmnParseHandler<StartEvent> {

    @Override
    public Class<? extends BaseElement> getHandledType() {
        return StartEvent.class;
    }

    @Override
    protected void executeParse(BpmnParse bpmnParse, StartEvent element) {
        if (element.getSubProcess() != null && element.getSubProcess() instanceof EventSubProcess) {
            if (CollectionUtil.isNotEmpty(element.getEventDefinitions())) {
                EventDefinition eventDefinition = element.getEventDefinitions().get(0);
                if (eventDefinition instanceof MessageEventDefinition) {
                    MessageEventDefinition messageDefinition = (MessageEventDefinition) eventDefinition;
                    BpmnModel bpmnModel = bpmnParse.getBpmnModel();
                    String messageRef = messageDefinition.getMessageRef();
                    if (bpmnModel.containsMessageId(messageRef)) {
                        Message message = bpmnModel.getMessage(messageRef);
                        messageDefinition.setMessageRef(message.getName());
                        messageDefinition.setExtensionElements(message.getExtensionElements());
                    }
                    element.setBehavior(bpmnParse.getActivityBehaviorFactory().createEventSubProcessMessageStartEventActivityBehavior(element, messageDefinition));

                } else if (eventDefinition instanceof ErrorEventDefinition) {
                    element.setBehavior(bpmnParse.getActivityBehaviorFactory().createEventSubProcessErrorStartEventActivityBehavior(element));
                }
            }
        } else if (CollectionUtil.isEmpty(element.getEventDefinitions())) {
            element.setBehavior(bpmnParse.getActivityBehaviorFactory().createNoneStartEventActivityBehavior(element));
        }

        if (element.getSubProcess() == null && (CollectionUtil.isEmpty(element.getEventDefinitions()) || bpmnParse.getCurrentProcess().getInitialFlowElement() == null)) {
            bpmnParse.getCurrentProcess().setInitialFlowElement(element);
        }
    }

}
